package com.jinzhi.api.config;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import java.io.IOException;
import java.text.DecimalFormat;

public class CustomDoubleSerializer extends JsonSerializer<Double> {

    private DecimalFormat decimalFormat = new DecimalFormat("0.00");

    @Override
    public void serialize(Double value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        if (value != null) {
            gen.writeString(decimalFormat.format(value));
        } else {
            gen.writeNull();
        }
    }
}
